#include <stdio.h>
#include <iomanip>
#include <iostream>

using namespace std;

int main()
{
	cout <<  setw(11) << "300\n";
	cout <<  setw(4) << '-';
	cout << setw(7) <<  "20\n";
	printf("--------------------\n");
	cout <<  setw(11)  << "280\n";
	return 0;
 } 
